CN205315783U - Rotation type non return water valve - Google Patents
Rotation type non return water valve Download PDFInfo
- Publication number
- CN205315783U CN205315783U CN201520965235.4U CN201520965235U CN205315783U CN 205315783 U CN205315783 U CN 205315783U CN 201520965235 U CN201520965235 U CN 201520965235U CN 205315783 U CN205315783 U CN 205315783U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- water inlet
- hole
- flap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 238000005266 casting Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Landscapes
- Valve Housings (AREA)
- Check Valves (AREA)
Abstract
The utility model discloses a rotation type non return water valve, technical field is designed for the water valve in affiliated field, which comprises the following components: a valve body, a water inlet, the sealing washer, the valve clack, the connector, the cylindric lock, the split pin, the rocker, a valve cove, the bolt, the briquetting, the ejector pin, it has horizontal through -hole to bore in the middle of the valve body, the left side is the water inlet, the right side is the delivery port, the round hole of a fore -and -aft direction is set up in the top that the valve body is located the water inlet, the left end of rocker passes through the cylindric lock and is connected with this round hole, the rocker can rotate around the cylindric lock in a flexible way, the right -hand member that is close to the rocker bores has a through -hole, the connector on valve clack upper portion inserts in this through -hole promptly, the top of connector is fixed with the split pin, the bolt fastening is at the top of valve body for the valve gap, the utility model discloses a rotation type non return water valve, valve body are located the round hole of the top fore -and -aft direction of water inlet and combine closely with the water inlet with the straightness height that hangs down of the middle horizontal through -hole of valve body, valve clack, and the leakproofness is good, and the long service life of product is connected reliably with the valve body to the rocker.
Description
Technical field
This utility model relates to water valve design field, particularly relates to a kind of rotary Back Water Valve.
Background technology
Rotary Back Water Valve is also known as check valve or non-return valve, its effect is to prevent the medium in pipeline from flowing backwards, opening and closing element leans on the strength of media flow or manually opened or closedown, to prevent valve that medium flows backwards on check-valves, current most of this kind of check-valves flaps on the market are under medium strength, continuous interval collision valve body, after long-time, after causing that on valve body, certain puts peeling paint, valve body gets rusty easily from the reduction of area short valve body life-span, and change inconvenience, some valve bodies are also mounted with cushion pad on valve seat, sealing gasket, but after this material contact liq, swelling often occurs, this situation frequently can lead to its cushion pad, the sealing of sealing gasket is greatly reduced, easily cause closure of check ring not tight, have an accident, this type of check-valves by external boring it cannot be guaranteed that the perpendicularity in hole, thus causing the valve rod distortion hung, do not play sealing function, in order to ensure to seal, pin-and-hole extra clearance must be corrected distortion, such accessory is uniqueness, compatibility is poor, work efficiency is low.
Utility model content
The purpose of this utility model is contemplated to overcome the defect that most of check valve receptacles are easily damaged and closure of check ring is not tight on the market at present, devise a kind of rotary Back Water Valve, flap is good with inlet seal, and rocking bar is connected with valve body reliably, the long service life of product.
Solve the technical problem that required by this utility model and can be achieved through the following technical solutions:
A kind of rotary Back Water Valve, including valve body, water inlet, rocking bar, straight pin, it is drilled with cross through hole in the middle of described valve body, left side is described water inlet, right side is outlet, the circular hole being provided above a fore-and-aft direction of described water inlet it is positioned at described valve body, the left end of described rocking bar is connected with this circular hole by described straight pin, also include sealing ring, flap, union joint, split pin, valve gap, bolt, briquetting, push rod, right-hand member near described rocking bar is drilled with a through hole, namely the described union joint on described flap top inserts in this through hole, the top of described union joint is fixed with described split pin, the top of described valve body it is bolted to described in described valve gap.
Described valve body is positioned at the circular hole in the direction back and forth over of described water inlet and adopts the method for casting to be formed.
The right-hand member processing of described water inlet has arc angling, and when described flap is closed, its edge is embedded in the arc angling of described water inlet.
The bottom surface of described flap is additionally provided with described sealing ring.
Being provided with described briquetting on the left of the bottom surface of described valve gap, the two ends of described straight pin are compressed by described briquetting.
It is provided with described push rod in the middle of described valve gap bottom surface.
Owing to have employed above technical scheme, this utility model has the advantage that
Adopt valve body, water inlet, rocking bar, straight pin, sealing ring, flap, union joint, split pin, valve gap, bolt, briquetting, the rotary Back Water Valve of push rod combined together design, valve body is positioned at the circular hole in the direction back and forth over of water inlet and adopts the method for casting to be formed, circular hole is obtained high with the perpendicularity of valve body intermediate lateral through hole by casting method, the right-hand member processing of water inlet has arc angling, when flap is closed, its edge is embedded in the arc angling of water inlet, now flap and water inlet are tightly combined, the bottom surface of flap is additionally provided with sealing ring, better tightness between flap and water inlet, it is provided with briquetting on the left of the bottom surface of valve gap, rocking bar is connected with valve body reliably, valve gap is provided with push rod in the middle of bottom surface, flap and valve gap is prevented to clash into, be conducive to protection flap and valve body, improve the service life of product.
Accompanying drawing explanation
Fig. 1 is this utility model structure forward sight cut-away illustration;
In figure each assembly and accompanying drawing labelling be respectively as follows: 1, valve body; 2, water inlet; 3, sealing ring; 4, flap; 5, union joint; 6, straight pin; 7, split pin; 8, rocking bar; 9, valve gap; 10, bolt; 11, briquetting; 12, push rod.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and effect and be easy to understand, below in conjunction with being specifically illustrating, this utility model is expanded on further.
A kind of rotary Back Water Valve, including valve body 1, water inlet 2, sealing ring 3, flap 4, union joint 5, straight pin 6, split pin 7, rocking bar 8, valve gap 9, bolt 10, briquetting 11, push rod 12, it is drilled with cross through hole in the middle of valve body 1, left side is water inlet, right side is outlet, the circular hole being provided above a fore-and-aft direction of water inlet 2 it is positioned at valve body 1, the left end of rocking bar 8 is connected with this circular hole by straight pin 6, rocking bar 8 can rotate around straight pin 6 neatly, right-hand member near rocking bar 8 is drilled with a through hole, namely the union joint 5 on flap 4 top inserts in this through hole, the split pin 7 of the top of union joint 5 is fixed, valve gap 9 bolt 10 is fixed on the top of valve body 1.
Valve body 1 is positioned at the circular hole in the direction back and forth over of water inlet 2 and adopts the method for casting to be formed, and obtains circular hole by casting method high with the perpendicularity of valve body 1 intermediate lateral through hole, it is ensured that current flap 4 and water inlet 2 when reverse flow are closed tightly.
The right-hand member processing of water inlet 2 has arc angling, and when flap 4 is closed, its edge is embedded in the arc angling of water inlet 2, and now flap 4 and water inlet 2 are tightly combined.
The bottom surface of flap 4 is additionally provided with sealing ring 3, when flow reversal is flowed with the existence of sealing ring 3 between flap 4 and water inlet 2, and its better tightness.
Being provided with briquetting 11 on the left of the bottom surface of valve gap 9, the two ends of straight pin 6 are compressed by briquetting 11, it is ensured that rocking bar 8 is connected reliably with valve body 1.
Valve gap 9 is provided with push rod 12 in the middle of bottom surface; when current flow into valve body 1 on the left of water valve, flap 4 can be backed down by the percussion of current, clashes into valve gap 9 when the effect of push rod 12 is to prevent flap 4 from being backed down; be conducive to protection flap 4 and valve body 1, improve the service life of product.
Rotary Back Water Valve disclosed in the utility model, valve body 1 is positioned at the circular hole in the direction back and forth over of water inlet 2 and adopts the method for casting to be formed, circular hole is obtained high with the perpendicularity of valve body 1 intermediate lateral through hole by casting method, the right-hand member processing of water inlet 2 has arc angling, when flap 4 is closed, its edge is embedded in the arc angling of water inlet 2, now flap 4 and water inlet 2 are tightly combined, the bottom surface of flap 4 is additionally provided with sealing ring 3, better tightness between flap 4 and water inlet 2, briquetting 11 it is provided with on the left of the bottom surface of valve gap 9, rocking bar 8 is connected with valve body 1 reliably, valve gap 9 is provided with push rod 12 in the middle of bottom surface, flap 4 and valve gap 9 is prevented to clash into, be conducive to protection flap 4 and valve body 1, improve the service life of product.
Of the present utility model ultimate principle, principal character and of the present utility model advantage have more than been shown and described. Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; described in above-described embodiment and description is that principle of the present utility model is described; under the premise without departing from this utility model spirit and scope, this utility model also has various changes and modifications, and these changes and improvements both fall within the scope of claimed this utility model. This utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (6)
1. a rotary Back Water Valve, including valve body, water inlet, rocking bar, straight pin, it is drilled with cross through hole in the middle of described valve body, left side is described water inlet, right side is outlet, the circular hole being provided above a fore-and-aft direction of described water inlet it is positioned at described valve body, the left end of described rocking bar is connected with this circular hole by described straight pin, it is characterized in that: also include sealing ring, flap, union joint, split pin, valve gap, bolt, briquetting, push rod, right-hand member near described rocking bar is drilled with a through hole, namely the described union joint on described flap top inserts in this through hole, the top of described union joint is fixed with described split pin, the top of described valve body it is bolted to described in described valve gap.
2. a kind of rotary Back Water Valve according to claim 1, it is characterised in that: described valve body is positioned at the circular hole in the direction back and forth over of described water inlet and adopts the method for casting to be formed.
3. a kind of rotary Back Water Valve according to claim 1, it is characterised in that: the right-hand member processing of described water inlet has arc angling, and when described flap is closed, its edge is embedded in the arc angling of described water inlet.
4. a kind of rotary Back Water Valve according to claim 1, it is characterised in that: the bottom surface of described flap is additionally provided with described sealing ring.
5. a kind of rotary Back Water Valve according to claim 1, it is characterised in that: being provided with described briquetting on the left of the bottom surface of described valve gap, the two ends of described straight pin are compressed by described briquetting.
6. a kind of rotary Back Water Valve according to claim 1, it is characterised in that: it is provided with described push rod in the middle of described valve gap bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520965235.4U CN205315783U (en) | 2015-11-26 | 2015-11-26 | Rotation type non return water valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520965235.4U CN205315783U (en) | 2015-11-26 | 2015-11-26 | Rotation type non return water valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205315783U true CN205315783U (en) | 2016-06-15 |
Family
ID=56189479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520965235.4U Expired - Fee Related CN205315783U (en) | 2015-11-26 | 2015-11-26 | Rotation type non return water valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205315783U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337960A (en) * | 2016-11-25 | 2017-01-18 | 兰州高压阀门有限公司 | Environment-friendly valve body |
| CN106801751A (en) * | 2015-11-26 | 2017-06-06 | 安徽纵横泵阀制造有限公司 | A kind of rotary Back Water Valve |
-
2015
- 2015-11-26 CN CN201520965235.4U patent/CN205315783U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801751A (en) * | 2015-11-26 | 2017-06-06 | 安徽纵横泵阀制造有限公司 | A kind of rotary Back Water Valve |
| CN106337960A (en) * | 2016-11-25 | 2017-01-18 | 兰州高压阀门有限公司 | Environment-friendly valve body |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205315783U (en) | Rotation type non return water valve | |
| CN207406844U (en) | A kind of check-valves of the operation is stable | |
| CN208153767U (en) | A kind of full-bore welding ball valve | |
| CN204717065U (en) | Swing check valve | |
| CN202327251U (en) | Swing check valve | |
| CN205173582U (en) | Open formula dual -purpose check valve for sleeping in immediately soon | |
| CN203202316U (en) | Rotary-opening type check valve | |
| CN204739270U (en) | Soft and hard double-sealing swing check valve | |
| CN207394036U (en) | A kind of three-chip type forged steel swing check valve | |
| CN106801751A (en) | A kind of rotary Back Water Valve | |
| CN207261740U (en) | A kind of clamp connection swing check valve | |
| CN103671942A (en) | Balanced type multipurpose valve with cut-off, non-return and adjusting functions | |
| CN206001058U (en) | A kind of novel low-resistance check valve structure | |
| CN205781105U (en) | A kind of streamlined flap check-valves | |
| CN206958322U (en) | A kind of small-bore tiltedly flap-type forging welding end check-valves of extra-high voltage | |
| CN106015660A (en) | Quick closing check valve | |
| CN206802396U (en) | One kind tilts flap check-valves | |
| CN205877291U (en) | Swing check valve | |
| CN206159553U (en) | Novel low resistance check valve structure | |
| CN218408651U (en) | Built-in swash plate type check valve | |
| CN206320335U (en) | A kind of balanced three-way governing valve | |
| CN107477221A (en) | A kind of clamp connection swing check valve | |
| CN204878880U (en) | Swing check valve | |
| CN204729355U (en) | A kind of filtrating equipment with safety check | |
| CN207064735U (en) | A kind of pump discharge high-pressure check valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 |